Seiko Cal. 6671 - 821

This Hand-Winding model from 1979 features a 40mm Stainless Steel case. Powered by the 6671 caliber with 17j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-6e9eed46deab]

Also known as: Panda, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1979

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